Mariachiara Borghi, Giuseppe Guglielmini, Anna Maria Mezzasoma, Emanuela Falcinelli, Loredana Bury, Marco Malvestiti and Paolo Gresele (2017) “Increase of von Willebrand factor with aging in type 1 von Willebrand disease: fact or fiction?”, Haematologica. Pavia, Italy, 102(11), pp. e431-e433. doi: 10.3324/haematol.2017.168013.